Results 11 to 20 of about 32,542 (282)

Safe hologram [PDF]

open access: yesModern Physics Letters A, 2020
We propose to describe the gauge sector of an asymptotically safe field theory in [Formula: see text] dimensions as a scalar theory on fixed AdS in [Formula: see text]-dimensions using the holographic dictionary.
Bajc, Borut   +2 more
openaire   +4 more sources

Practical algorithms for simulation and reconstruction of digital in-line holograms [PDF]

open access: yes, 2015
Here we present practical methods for simulation and reconstruction of in-line digital holograms recorded with plane and spherical waves. The algorithms described here are applicable to holographic imaging of an object exhibiting absorption as well as ...
Fink, Hans-Werner   +1 more
core   +1 more source

3D Touch Surface for Interactive Pseudo‐Holographic Displays

open access: yesAdvanced Intelligent Systems, 2022
Herein, the design and implementation of a transparent 3D touch‐enabled surface for richer user interaction with midair 3D virtual objects in a touch‐interactive pseudo‐holographic display are presented.
Adamos Christou   +4 more
doaj   +1 more source

FEATURES OF MULTIPLEXED HOLOGRAMS RECORDING IN PHOTO-THERMO-REFRACTIVE GLASS [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2016
We have carried out calculations of recording conditions for multiplexed holograms in photo-thermo-refractive (PTR) glass. The proposed calculation sets the link between such parameters as: the angle between recording beams and the angle of sample ...
S. A. Ivanov   +3 more
doaj   +1 more source

Motion Parallax Holograms Generated from an Existing Hologram

open access: yesApplied Sciences, 2021
Generating new motion parallax holograms is required for holographic head-mounted displays when the head moves. Additionally, it is required for hologram generation from light field data that consist of a number of motion parallax images.
Tomoyoshi Shimobaba   +8 more
doaj   +1 more source

Denoising electron holograms using the wavelet hidden Markov model for phase retrieval—Applications to the phase-shifting method

open access: yesAIP Advances, 2021
Noise reduction using the wavelet hidden Markov model (WHMM) was applied to electron holograms of a LaFeO3/SrTiO3 specimen, which was subjected to phase retrieval by the phase-shifting method.
Takehiro Tamaoka   +8 more
doaj   +1 more source

Mixed Reality Improves 3D Visualization and Spatial Awareness of Bone Tumors for Surgical Planning in Orthopaedic Oncology: A Proof of Concept Study

open access: yesOrthopedic Research and Reviews, 2023
Kwok Chuen Wong,1 Edgar Yan Sun,2 Irene Oi Ling Wong,3 Shekhar Madhukar Kumta4 1Orthopaedic Oncology, Department of Orthopaedics and Traumatology, Prince of Wales Hospital, the Chinese University of Hong Kong, Hong Kong SAR, People’s Republic of China ...
Wong KC, Sun EY, Wong IOL, Kumta SM
doaj  

The Dynamic Display of Art Holography

open access: yesArts, 2019
Holograms have been displayed in single-artist and group exhibitions, since the late 1960’s. The content within a holographic image can be greatly compromised if the hologram is not displayed correctly.
M. Melissa Crenshaw
doaj   +1 more source

Simultaneous Full‐Color Printing and Holography Enabled by Centimeter‐Scale Plasmonic Metasurfaces

open access: yesAdvanced Science, 2020
Optical metasurfaces enable novel ways to locally manipulate light's amplitude, phase, and polarization, underpinning a newly viable technology for applications, such as high‐density optical storage, holography, and displays.
Fei Zhang   +9 more
doaj   +1 more source

Lensfree on-chip microscopy over a wide field-of-view using pixel super-resolution. [PDF]

open access: yes, 2010
We demonstrate lensfree holographic microscopy on a chip to achieve approximately 0.6 microm spatial resolution corresponding to a numerical aperture of approximately 0.5 over a large field-of-view of approximately 24 mm2.
Bishara, Waheb   +3 more
core   +1 more source

Home - About - Disclaimer - Privacy